20124881415

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1\times {\mathrm{1789}}^1$

素因数の和:2101

約数の個数: 96

約数和(自身を含む): 37529856000

約数和(自身を除く): 17404974585

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 59, 95, 171, 177, 223, 285, 295, 531, 669, 855, 885, 1115, 1121, 1789, 2007, 2655, 3345, 3363, 4237, 5367, 5605, 8945, 10035, 10089, 12711, 13157, 16101, 16815, 21185, 26835, 33991, 38133, 39471, 50445, 63555, 65785, 80505, 101973, 105551, 118413, 169955, 190665, 197355, 249983, 305919, 316653, 398947, 509865, 527755, 592065, 749949, 949959, 1196841, 1249915, 1529595, 1583265, 1994735, 2005469, 2249847, 3590523, 3749745, 4749795, 5984205, 6016407, 7579993, 10027345, 11249235, 17952615, 18049221, 22739979, 23537873, 30082035, 37899965, 68219937, 70613619, 90246105, 113699895, 117689365, 211840857, 341099685, 353068095, 447219587, 1059204285, 1341658761, 2236097935, 4024976283, 6708293805, 20124881415]

約数ペア:

[(1, 20124881415), (3, 6708293805), (5, 4024976283), (9, 2236097935), (15, 1341658761), (19, 1059204285), (45, 447219587), (57, 353068095), (59, 341099685), (95, 211840857), (171, 117689365), (177, 113699895), (223, 90246105), (285, 70613619), (295, 68219937), (531, 37899965), (669, 30082035), (855, 23537873), (885, 22739979), (1115, 18049221), (1121, 17952615), (1789, 11249235), (2007, 10027345), (2655, 7579993), (3345, 6016407), (3363, 5984205), (4237, 4749795), (5367, 3749745), (5605, 3590523), (8945, 2249847), (10035, 2005469), (10089, 1994735), (12711, 1583265), (13157, 1529595), (16101, 1249915), (16815, 1196841), (21185, 949959), (26835, 749949), (33991, 592065), (38133, 527755), (39471, 509865), (50445, 398947), (63555, 316653), (65785, 305919), (80505, 249983), (101973, 197355), (105551, 190665), (118413, 169955)]